Yunyan Sanhua Pig was bred by crossing China Dongbei Min Pig, one of the three living fossils of black pigs in the world, with the world's high-quality lean white pigs. Taking into account the advantages of tender black pork, rich nutrition and high lean meat content, Yunyan Sanhua Pig became a "pioneer of low-fat black pigs". Founded in 1994, China Meat Federation Co., Ltd. is located in Hong Kong Special Administrative Region, and is an enterprise mainly engaged in frozen packaged food.

Heilongjiang Yunyan Sanhua Pig Agriculture and Animal Husbandry Food Co., Ltd. is a subsidiary of Yunyan Group. It is located in Dongfanghong Village, Xiangfang District, Harbin. It was established on 20 14 and 10 with a registered capital of 50 million yuan. It is a modern animal husbandry enterprise integrating research and development, breeding, agriculture and animal husbandry tourism, deep processing, sales and circulation of Yunyan Sanhua pig.